twrp: Add support for TW_SECONDARY_BRIGHTNESS_PATH
* Required for devices like Sony Huashan (dual backlighting paths)
Change-Id: I0f84623431aec91fafee6617c1d4c542e4566caf
diff --git a/minuitwrp/graphics_fbdev.cpp b/minuitwrp/graphics_fbdev.cpp
index 24294be..dc2bb2f 100644
--- a/minuitwrp/graphics_fbdev.cpp
+++ b/minuitwrp/graphics_fbdev.cpp
@@ -73,6 +73,16 @@
}
write(fd, blank ? "000" : brightness, 3);
close(fd);
+
+#ifdef TW_SECONDARY_BRIGHTNESS_PATH
+ fd = open(TW_SECONDARY_BRIGHTNESS_PATH, O_RDWR);
+ if (fd < 0) {
+ perror("cannot open LCD backlight 2");
+ return;
+ }
+ write(fd, blank ? "000" : brightness, 3);
+ close(fd);
+#endif
#else
#ifndef TW_NO_SCREEN_BLANK
int ret;
diff --git a/minuitwrp/graphics_overlay.cpp b/minuitwrp/graphics_overlay.cpp
index 5d759f6..84ea6e0 100644
--- a/minuitwrp/graphics_overlay.cpp
+++ b/minuitwrp/graphics_overlay.cpp
@@ -164,6 +164,16 @@
}
write(fd, blank ? "000" : brightness, 3);
close(fd);
+
+#ifdef TW_SECONDARY_BRIGHTNESS_PATH
+ fd = open(TW_SECONDARY_BRIGHTNESS_PATH, O_RDWR);
+ if (fd < 0) {
+ perror("cannot open LCD backlight 2");
+ return;
+ }
+ write(fd, blank ? "000" : brightness, 3);
+ close(fd);
+#endif
#else
int ret;